30505020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 108681216

約数和(自身を除く): 78176196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 84, 91, 105, 111, 130, 140, 148, 151, 156, 182, 185, 195, 210, 222, 259, 260, 273, 302, 364, 370, 390, 420, 444, 453, 455, 481, 518, 546, 555, 604, 740, 755, 777, 780, 906, 910, 962, 1036, 1057, 1092, 1110, 1295, 1365, 1443, 1510, 1554, 1812, 1820, 1924, 1963, 2114, 2220, 2265, 2405, 2590, 2730, 2886, 3020, 3108, 3171, 3367, 3885, 3926, 4228, 4530, 4810, 5180, 5285, 5460, 5587, 5772, 5889, 6342, 6734, 7215, 7770, 7852, 9060, 9620, 9815, 10101, 10570, 11174, 11778, 12684, 13468, 13741, 14430, 15540, 15855, 16761, 16835, 19630, 20202, 21140, 22348, 23556, 27482, 27935, 28860, 29445, 31710, 33522, 33670, 39109, 39260, 40404, 41223, 50505, 54964, 55870, 58890, 63420, 67044, 67340, 68705, 72631, 78218, 82446, 83805, 101010, 111740, 117327, 117780, 137410, 145262, 156436, 164892, 167610, 195545, 202020, 206115, 217893, 234654, 274820, 290524, 335220, 363155, 391090, 412230, 435786, 469308, 508417, 586635, 726310, 782180, 824460, 871572, 1016834, 1089465, 1173270, 1452620, 1525251, 2033668, 2178930, 2346540, 2542085, 3050502, 4357860, 5084170, 6101004, 7626255, 10168340, 15252510, 30505020]

約数ペア:

[(1, 30505020), (2, 15252510), (3, 10168340), (4, 7626255), (5, 6101004), (6, 5084170), (7, 4357860), (10, 3050502), (12, 2542085), (13, 2346540), (14, 2178930), (15, 2033668), (20, 1525251), (21, 1452620), (26, 1173270), (28, 1089465), (30, 1016834), (35, 871572), (37, 824460), (39, 782180), (42, 726310), (52, 586635), (60, 508417), (65, 469308), (70, 435786), (74, 412230), (78, 391090), (84, 363155), (91, 335220), (105, 290524), (111, 274820), (130, 234654), (140, 217893), (148, 206115), (151, 202020), (156, 195545), (182, 167610), (185, 164892), (195, 156436), (210, 145262), (222, 137410), (259, 117780), (260, 117327), (273, 111740), (302, 101010), (364, 83805), (370, 82446), (390, 78218), (420, 72631), (444, 68705), (453, 67340), (455, 67044), (481, 63420), (518, 58890), (546, 55870), (555, 54964), (604, 50505), (740, 41223), (755, 40404), (777, 39260), (780, 39109), (906, 33670), (910, 33522), (962, 31710), (1036, 29445), (1057, 28860), (1092, 27935), (1110, 27482), (1295, 23556), (1365, 22348), (1443, 21140), (1510, 20202), (1554, 19630), (1812, 16835), (1820, 16761), (1924, 15855), (1963, 15540), (2114, 14430), (2220, 13741), (2265, 13468), (2405, 12684), (2590, 11778), (2730, 11174), (2886, 10570), (3020, 10101), (3108, 9815), (3171, 9620), (3367, 9060), (3885, 7852), (3926, 7770), (4228, 7215), (4530, 6734), (4810, 6342), (5180, 5889), (5285, 5772), (5460, 5587)]